Challan Filler for eReturn Ledger (Bangladesh)

About

The Challan Filler BD extension helps Bangladeshi taxpayers, accountants, and financial professionals quickly import data from e-Challan PDF receipts into the NBR eReturn web forms.
It reads official PDF challans or QR codes, extracts key fields (e.g. TIN, Name, Amount, Assessment Year), and automatically fills the correct fields on the eReturn Ledger page — all done locally in your browser.

🚀 Key Features
	•	📄 PDF Reader: Upload or paste a PDF URL (eChallan, Sonali ePayment, or similar) — extracts all text instantly.
	•	📷 QR Scanner: Scan QR code from a printed or digital challan to fetch its data.
	•	🧠 Smart Form Filler: Detects and fills eReturn Ledger input fields automatically with challan details.
	•	💾 Local Processing: No cloud APIs. No external uploads. Works offline — all data stays on your device.
	•	🧾 Field Mapping: Save and reuse field mappings for consistent form filling across different NBR pages.
	•	🔐 Privacy-First Design: Processes your PDFs and QR codes only in the browser sandbox. Nothing is stored, logged, or shared.

🧰 How to Use
	1.	Click the Challan Filler BD icon in your Chrome toolbar.
	2.	Choose Scan QR or Select PDF.
	3.	Review the extracted challan data.
	4.	Click Fill eReturn Form — the extension auto-fills NBR’s eReturn Ledger fields for you.

Use Cases
	•	Filling NBR eReturn Ledger challans from PDF receipts.
	•	Speeding up tax form preparation and submission for professionals.
	•	Reducing manual typing errors in challan details.


🧾 Privacy Notice
This extension does not send or share any data outside your device.
All processing (QR decoding, PDF text extraction, and form filling) occurs locally using open-source libraries (pdf.js, jsQR).
It is not affiliated with the National Board of Revenue (NBR), Government of Bangladesh, and is provided purely as a productivity aid for users.